Chapter

Analysis of Skull Morphology in 15 Species of the Genus <i>Ctenomys</i>, Including Seven Karyologically Distinct Forms of <i>Ctenomys minutus</i> (Rodentia: Ctenomyidae)

Thaïes Renato O. de Freitas

in Mammalian Diversification

Published by University of California Press

Published in print January 2006 | ISBN: 9780520098534
Published online March 2012 | e-ISBN: 9780520916098 | DOI: http://dx.doi.org/10.1525/california/9780520098534.003.0005
Analysis of Skull Morphology in 15 Species of the Genus Ctenomys, Including Seven Karyologically Distinct Forms of Ctenomys minutus (Rodentia: Ctenomyidae)

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This chapter examines variation in skull morphology among multiple species of Ctenomys and attempts to relate cranial differences to patterns of karyotypic variation in these animals. It discusses the role of chromosomal speciation in Ctenomys using data from two analyses that explored correlations between karyotypic and morphological variation. The chapter concludes that morphological and karyotypic differentiations in these animals are no concordant, which raises questions concerning the processes generating and maintaining these patterns of variation.

Keywords: skull morphology; Ctenomys; cranial differences; karyotypic variation; chromosomal speciation

Chapter.  6236 words.  Illustrated.

Subjects: Zoology and Animal Sciences

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